Stalwart Mail ServervsZealot
Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| Stalwart Mail Server | Zealot | |
|---|---|---|
| Score | 79/100 | 55/100 |
| Rank in category | #2 of 16 in Mail Server | #17 of 28 in CI/CD |
| GitHub stars | 15 470 | 1 367 |
| Stars, last 30 days | +667 | +0 |
| Stable releases, 12 months | 31 | 3 |
| Latest release | v1.0.1 · 28 Oct 2026 | 6.2.2 · 25 Jul 2026 |
| Setup | Moderate | Moderate |
| Official Docker image | Yes | Yes |
| License | AGPL-3.0-only AND LicenseRef-SEL | MIT |
| Main language | Rust | Ruby |
Which one should you pick?
Stalwart Mail Server scores 79/100 against 55/100 for Zealot, so it is the safer default.
Stalwart Mail Server ships more often: 31 stable releases in the past year, against 3 for Zealot.
Stalwart Mail Server is growing faster right now (+667 stars in 30 days).
Stalwart Mail Server details →Zealot details →
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